3  * Copyright (c) 2023 Amrith Venkat Kesavamoorthi <amrith@mr-beam.org>
5  * SPDX-License-Identifier: Apache-2.0
11 #include <zephyr/dt-bindings/display/panel.h>
12 #include <zephyr/drivers/display.h>
24 /* Display data struct */
39 	bool inversion;  member
53  * the display controller
223 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_transmit()
225 	return mipi_dbi_command_write(config->mipi_dev, &config->dbi_config,  in gc9x01x_transmit()
231 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_regs_init()
232 	const struct gc9x01x_regs *regs = config->regs;  in gc9x01x_regs_init()
235 	if (!device_is_ready(config->mipi_dev)) {  in gc9x01x_regs_init()
236 		return -ENODEV;  in gc9x01x_regs_init()
239 	/* Enable inter-command mode */  in gc9x01x_regs_init()
259 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL2, regs->pwrctrl2, sizeof(regs->pwrctrl2));  in gc9x01x_regs_init()
263 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL3, regs->pwrctrl3, sizeof(regs->pwrctrl3));  in gc9x01x_regs_init()
267 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL4, regs->pwrctrl4, sizeof(regs->pwrctrl4));  in gc9x01x_regs_init()
271 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA1, regs->gamma1, sizeof(regs->gamma1));  in gc9x01x_regs_init()
275 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA2, regs->gamma2, sizeof(regs->gamma2));  in gc9x01x_regs_init()
279 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA3, regs->gamma3, sizeof(regs->gamma3));  in gc9x01x_regs_init()
283 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA4, regs->gamma4, sizeof(regs->gamma4));  in gc9x01x_regs_init()
287 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_FRAMERATE, regs->framerate,  in gc9x01x_regs_init()
288 			       sizeof(regs->framerate));  in gc9x01x_regs_init()
312 	 * Exit sleepmode and enable display. 30ms on top of the sleepout time to account for  in gc9x01x_exit_sleep()
332 	 * Exit sleepmode and enable display. 30ms on top of the sleepout time to account for  in gc9x01x_enter_sleep()
343 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_hw_reset()
346 	ret = mipi_dbi_reset(config->mipi_dev, 100);  in gc9x01x_hw_reset()
357 	LOG_DBG("Turning display blanking off");  in gc9x01x_display_blanking_off()
363 	LOG_DBG("Turning display blanking on");  in gc9x01x_display_blanking_on()
370 	struct gc9x01x_data *data = dev->data;  in gc9x01x_set_pixel_format()
383 		return -ENOTSUP;  in gc9x01x_set_pixel_format()
391 	data->pixel_format = pixel_format;  in gc9x01x_set_pixel_format()
392 	data->bytes_per_pixel = bytes_per_pixel;  in gc9x01x_set_pixel_format()
400 	struct gc9x01x_data *data = dev->data;  in gc9x01x_set_orientation()
405 		/* works 0° - default */  in gc9x01x_set_orientation()
422 	data->orientation = orientation;  in gc9x01x_set_orientation()
429 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_configure()
439 	ret = gc9x01x_set_pixel_format(dev, config->pixel_format);  in gc9x01x_configure()
445 	ret = gc9x01x_set_orientation(dev, config->orientation);  in gc9x01x_configure()
450 	/* Display inversion mode. */  in gc9x01x_configure()
451 	if (config->inversion) {  in gc9x01x_configure()
471 		LOG_ERR("Could not configure display (%d)", ret);  in gc9x01x_init()
491 	spi_data[1] = sys_cpu_to_be16(x + w - 1U);  in gc9x01x_set_mem_area()
498 	spi_data[1] = sys_cpu_to_be16(y + h - 1U);  in gc9x01x_set_mem_area()
510 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_write()
511 	struct gc9x01x_data *data = dev->data;  in gc9x01x_write()
519 	__ASSERT(desc->width <= desc->pitch, "Pitch is smaller than width");  in gc9x01x_write()
520 	__ASSERT((desc->pitch * data->bytes_per_pixel * desc->height) <= desc->buf_size,  in gc9x01x_write()
523 	LOG_DBG("Writing %dx%d (w,h) @ %dx%d (x,y)", desc->width, desc->height, x, y);  in gc9x01x_write()
524 	ret = gc9x01x_set_mem_area(dev, x, y, desc->width, desc->height);  in gc9x01x_write()
529 	if (desc->pitch > desc->width) {  in gc9x01x_write()
531 		nbr_of_writes = desc->height;  in gc9x01x_write()
533 		mipi_desc.buf_size = desc->width * data->bytes_per_pixel;  in gc9x01x_write()
535 		write_h = desc->height;  in gc9x01x_write()
536 		mipi_desc.height = desc->height;  in gc9x01x_write()
537 		mipi_desc.buf_size = desc->width * data->bytes_per_pixel * write_h;  in gc9x01x_write()
541 	mipi_desc.width = desc->width;  in gc9x01x_write()
543 	mipi_desc.pitch = desc->width;  in gc9x01x_write()
544 	mipi_desc.frame_incomplete = desc->frame_incomplete;  in gc9x01x_write()
552 		ret = mipi_dbi_write_display(config->mipi_dev,  in gc9x01x_write()
553 					     &config->dbi_config,  in gc9x01x_write()
556 					     data->pixel_format);  in gc9x01x_write()
561 		write_data_start += desc->pitch * data->bytes_per_pixel;  in gc9x01x_write()
570 	struct gc9x01x_data *data = dev->data;  in gc9x01x_get_capabilities()
571 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_get_capabilities()
575 	capabilities->supported_pixel_formats = PIXEL_FORMAT_RGB_565 | PIXEL_FORMAT_RGB_888;  in gc9x01x_get_capabilities()
576 	capabilities->current_pixel_format = data->pixel_format;  in gc9x01x_get_capabilities()
578 	if (data->orientation == DISPLAY_ORIENTATION_NORMAL ||  in gc9x01x_get_capabilities()
579 	    data->orientation == DISPLAY_ORIENTATION_ROTATED_180) {  in gc9x01x_get_capabilities()
580 		capabilities->x_resolution = config->x_resolution;  in gc9x01x_get_capabilities()
581 		capabilities->y_resolution = config->y_resolution;  in gc9x01x_get_capabilities()
583 		capabilities->x_resolution = config->y_resolution;  in gc9x01x_get_capabilities()
584 		capabilities->y_resolution = config->x_resolution;  in gc9x01x_get_capabilities()
587 	capabilities->current_orientation = data->orientation;  in gc9x01x_get_capabilities()
603 		ret = -ENOTSUP;  in gc9x01x_pm_action()
612 static DEVICE_API(display, gc9x01x_api) = {
635 		.inversion = DT_INST_PROP(inst, display_inversion),                                \